MPEC 2007-B72 : COMET C/2007 B3 (GARRADD)
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M.P.E.C. 2007-B72 Issued 2007 Jan. 29, 17:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2007 B3 (GARRADD)
Observations:
CK07B030 C2007 01 25.70262 13 06 35.64 -32 03 38.8 18.0 T EB072E12
CK07B030 C2007 01 25.71639 13 06 35.74 -32 03 46.5 18.3 T EB072E12
CK07B030 C2007 01 25.73012 13 06 35.85 -32 03 53.8 18.1 T EB072E12
CK07B030 C2007 01 25.74462 13 06 35.92 -32 04 01.3 18.4 T EB072E12
CK07B030 C2007 01 26.29826 13 06 39.92 -32 08 49.3 EB072808
CK07B030 C2007 01 26.30938 13 06 40.03 -32 08 55.6 EB072808
CK07B030 C2007 01 26.31840 13 06 40.07 -32 09 00.6 EB072808
CK07B030 C2007 01 26.33021 13 06 40.16 -32 09 06.5 EB072808
CK07B030 C2007 01 26.33854 13 06 40.18 -32 09 11.1 EB072808
CK07B030 C2007 01 26.68340 13 06 42.40 -32 12 09.1 EB072423
CK07B030 C2007 01 27.44722 13 06 47.12 -32 18 42.5 17.6 T EB072H06
CK07B030 C2007 01 27.50984 13 06 47.19 -32 19 11.4 17.7 T EB072H06
CK07B030 C2007 01 28.12979 13 06 50.67 -32 24 34.2 EB072147
CK07B030 C2007 01 28.13603 13 06 50.77 -32 24 37.5 18.1 T EB072147
CK07B030 C2007 01 28.14227 13 06 50.84 -32 24 41.9 17.7 T EB072147
CK07B030 C2007 01 28.46373 13 06 52.32 -32 27 25.6 17.8 N EB072H36
CK07B030 C2007 01 28.46855 13 06 52.33 -32 27 28.1 18.8 N EB072H36
CK07B030 C2007 01 28.47347 13 06 52.38 -32 27 31.6 18.8 N EB072H36
CK07B030 C2007 01 29.32326 13 06 56.04 -32 34 42.9 EB072808
CK07B030 C2007 01 29.34618 13 06 56.22 -32 34 53.8 EB072808
CK07B030 C2007 01 29.68020 13 06 57.45 -32 37 43.3 19.5 N EB072415
CK07B030 C2007 01 29.68862 13 06 57.48 -32 37 47.8 19.7 N EB072415
Observer details:
147 Osservatorio Astronomico di Suno. Observers D. Crespi, S. Foglia,
G. Galli, S. Minuto. Measurers D. Crespi, S. Foglia, G. Galli, G. Masi.
0.40-m f/4 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
808 El Leoncito. Observer H. S. Lepez. 0.5-m f/7.5 double astrograph + CCD.
E12 Siding Spring Survey. Observer G. J. Garradd. 0.5-m Uppsala Schmidt
+ CCD.
H06 RAS Observatory, Mayhill. Observer R. Ligustri. 0.25-m f/3.3 reflector
+ CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2007 B3 (Garradd)
T 2006 Mar. 26.525 TT MPC
q 3.98319 (2000.0) P Q
Peri. 180.462 -0.883305 -0.403380
Node 331.645 +0.431711 -0.501284
e 1.0 Incl. 30.196 +0.182752 -0.765506
From 20 observations 2007 Jan. 25-29.
Ephemeris:
C/2007 B3 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 01 20 13 05.66 -31 13.0 4.591 4.725 91.8 12.0 17.6
2007 01 30 13 06.98 -32 40.4 4.495 4.769 100.2 11.7 17.5
2007 02 09 13 06.77 -34 00.2 4.407 4.815 108.7 11.2 17.5
2007 02 19 13 05.01 -35 10.6 4.329 4.861 117.3 10.4 17.5
2007 03 01 13 01.78 -36 09.2 4.265 4.909 125.6 9.4 17.6
2007 03 11 12 57.27 -36 54.6 4.220 4.957 133.6 8.3 17.6
2007 03 21 12 51.80 -37 25.1 4.195 5.006 140.7 7.2 17.6
2007 03 31 12 45.77 -37 40.4 4.195 5.055 146.1 6.3 17.7
Further observations of this comet are very desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-B72
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